CN109513792A - Drawing work and drawing die combination - Google Patents
Drawing work and drawing die combination Download PDFInfo
- Publication number
- CN109513792A CN109513792A CN201910060495.XA CN201910060495A CN109513792A CN 109513792 A CN109513792 A CN 109513792A CN 201910060495 A CN201910060495 A CN 201910060495A CN 109513792 A CN109513792 A CN 109513792A
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- die
- tablet
- mold
- boss
- secondary drawing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses drawing works and drawing die to combine, and is related to punch forming technical field.Including the following steps: first time drawing operation is carried out to tablet to be processed with a drawing die, making tablet, just one-step forming obtains tentatively forming tablet, and the preliminary molding tablet has single boss structure；The second drawing operation is carried out to the preliminary molding tablet with drawing die combination, the preliminary molding tablet is set to obtain molding flooring products, the flooring products have three boss structure of step on floor in driver's cabin, and three boss structure of step includes first boss, second boss and third boss from high to low；The drawing work can be improved the quality of automotive floor panel.
Description
Technical field
The present invention relates to punch forming technical field, especially drawing works and drawing die to combine.
Background technique
Driver's cabin is the important component of body of a motor car, is the place that transport driver day and night works, and structure is direct
It is related to safety, working efficiency and the health of driver；Utility vehicle cab is often total by front wall assembly, left and right side wall
At, top cover assembly, back wall assembly and floor assembly be welded, and each assembly has multiple sub-units or the welding of multiple parts
It forms, wherein in floor assembly, floor is the main component in floor assembly, and the quality on floor directly affects driver's cabin
Quality；
In existing automotive floor panel process, in most cases, tablet is subjected to a drawing operation and forms ground
Slab products, tablet can not optimize there are cracking risk and effectively in a drawing operation, and large-scale deep-drawing tablet is especially sharp
There are problems that being easy cracking at fillet, the quality of automotive floor panel is caused to decline.
Summary of the invention
The purpose of the present invention is to provide drawing work, which can be improved the quality of automotive floor panel.
To achieve the above object, the present invention the following technical schemes are provided:
According to an aspect of the present invention, drawing work is provided, including the following steps:
First time drawing operation is carried out to tablet to be processed with a drawing die, make tablet just one-step forming obtain tentatively at
Moulding mixture piece, the preliminary molding tablet have single boss structure；
The second drawing operation is carried out to the preliminary molding tablet with secondary drawing mold, obtains the preliminary molding tablet
To molding flooring products, the flooring products have three boss structure of step on floor in driver's cabin, the step three
Boss structure includes first boss, second boss and third boss from high to low.
Further, the specific steps of first time drawing operation include:
The lower die of tablet to be processed and a drawing die is arranged in parallel, and the lower die of a drawing die is located at tablet
Lower section, the upper mold of a drawing die separates with the lower die of a drawing die；
The upper mold of drawing die and the lower die of drawing die are molded, the upper mold of a drawing die and primary
The lower die of drawing die, which is combined, acts on tablet to be processed, and making tablet, just one-step forming obtains the preliminary molding tablet.
Further, the drawing work further include: when the lower die of tablet to be processed and a drawing die is arranged in parallel
When, tablet to be processed is placed on the blank holder of a drawing die of a drawing lower mould.
Further, the specific steps of the second drawing operation include:
The preliminary molding tablet is positioned in the lower die of secondary drawing mold, the upper mold of secondary drawing mold with it is secondary
The lower die of drawing die separates；
The lower die of the upper mold of secondary drawing mold and secondary drawing mold is molded, the upper mold of secondary drawing mold with it is secondary
The lower die of drawing die, which is combined, acts on the preliminary molding tablet, and the preliminary molding tablet is made to obtain the molding floor
Product.
Further, the drawing work further includes when the preliminary molding tablet is positioned at the lower die of secondary drawing mold
When upper, preliminary molding tablet was placed on the blank holder of the secondary drawing mold of secondary drawing lower mould.
It is another object of the present invention to provide drawing die combination, drawing die combination can be improved automotive floor panel
Quality.
To achieve the above object, the present invention the following technical schemes are provided:
According to another aspect of the present invention, drawing die combination, including a drawing die and drawing die group are provided
It closes；Drawing die includes a drawing punch-pin, a drawing cavity plate and a drawing blank holder, described
Secondary drawing mold includes secondary drawing punch-pin, secondary drawing cavity plate and secondary drawing blank holder；
Drawing cavity plate includes single boss face；
The secondary drawing cavity plate include in it is step-like distribution and it is one-to-one with the boss on floor in driver's cabin
First boss face, second boss face and third boss face.
Further, a drawing die further includes a drawing upper mold and a drawing lower die；It is described
Secondary drawing mold further includes secondary drawing upper mold and secondary drawing lower die；Wherein, the drawing upper mold packet
Including a drawing upper die holder and a drawing cavity plate, the secondary drawing includes secondary drawing upper mold with upper mold
Seat and the secondary drawing cavity plate；
Drawing cavity plate is set to a drawing upper die holder, and secondary drawing cavity plate is set to described
Secondary drawing upper die holder.
Further, leading for the secondary drawing cavity plate is equipped with the first wearing plate on leg, the secondary drawing pressure
The both ends of flange are machined with the first slide guide face；
First wearing plate is slidably matched with first slide guide face.
Further, the secondary drawing lower die includes secondary drawing lower die holder and the secondary drawing with convex
Mould；
The secondary drawing is set to the secondary drawing lower die holder with punch-pin.
Further, the secondary drawing is with being equipped with the second wearing plate on punch-pin, the secondary drawing blank holder
Type is intracavitary to be machined with the second slide guide face；
Second wearing plate is slidably matched with second slide guide face.
Compared with prior art, the invention has the benefit that
Drawing work according to the present invention, including the following steps: tablet to be processed is carried out with a drawing die
First time drawing operation, making tablet, just one-step forming obtains tentatively forming tablet, and the preliminary molding tablet has single boss knot
Structure；The second drawing operation is carried out to the preliminary molding tablet with secondary drawing mold, obtains into the preliminary molding tablet
The flooring products of type, the flooring products have three boss structure of step on floor in driver's cabin, three boss of step
Structure includes first boss, second boss and third boss from high to low；For the drawing work, formed
Floor during, using a drawing die treat drawing processing tablet carry out first time drawing operation, make tablet tentatively at
Type obtains tentatively forming tablet, and the preliminary tablet that forms has single boss structure；Using secondary drawing mold to preliminary molding mass
Piece carries out the second drawing operation, makes tentatively to form tablet and obtains molding flooring products, flooring products are with floor in driver's cabin
Three boss structure of step, realize and change the single boss structure in preliminary molding tablet for the step in flooring products
Three boss structures reserve processing leeway in a drawing operation, and develop secondary drawing operation, carry out secondary drawing, so that
Corner's molding of tablet is more mellow and fuller, solves a traditional drawing operation to cracking existing for large scale, deep-drawing tablet
Problem, to improve the quality of automotive floor panel.
Drawing die combination according to the present invention, including a drawing die and drawing die combination；The primary drawing
Prolonging mold includes a drawing punch-pin, a drawing cavity plate and a drawing blank holder, the secondary drawing mold
Including secondary drawing punch-pin, secondary drawing cavity plate and secondary drawing blank holder；Drawing includes with cavity plate
Single boss face；The secondary drawing cavity plate includes in step-like distribution and a pair of with the boss one on floor in driver's cabin
First boss face, second boss face and the third boss face answered；For drawing die combination, obtaining moldingly
During plate, drawing processing material is treated with blank holder using a drawing punch-pin, a drawing cavity plate and a drawing
Piece carries out first time drawing operation, and making tablet, just one-step forming obtains tentatively forming tablet, since drawing cavity plate includes single
One boss face, so that tentatively molding tablet has single boss structure；Using secondary drawing punch-pin, secondary drawing cavity plate with
And secondary drawing carries out the second drawing operation to preliminary molding tablet with blank holder, makes tentatively to form tablet and obtains molding floor
Product, due to secondary drawing cavity plate include in step-like distribution and with the boss on floor in driver's cabin one-to-one the
One boss face, second boss face and third boss face, so that flooring products have three boss of step on floor in driver's cabin
Structure realizes and changes the single boss structure in preliminary molding tablet for three boss structure of step in flooring products,
Reserve processing leeway in drawing die, and develop secondary drawing mold, carry out secondary drawing so that the corner of tablet at
Type is more mellow and fuller, solves a traditional drawing die to problem of Cracking existing for large scale, deep-drawing tablet, to improve
The quality of automotive floor panel.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the flow chart for the drawing work that the embodiment of the present invention one provides；
Fig. 2 is the structural schematic diagram of a drawing upper mold in drawing die provided by Embodiment 2 of the present invention combination；
Fig. 3 is the structural schematic diagram of a drawing lower die in drawing die provided by Embodiment 2 of the present invention combination；
Fig. 4 is the structural schematic diagram of a drawing blank holder in drawing die provided by Embodiment 2 of the present invention combination；
Fig. 5 is the structural schematic diagram of secondary drawing upper mold in drawing die provided by Embodiment 2 of the present invention combination；
Fig. 6 is the structural schematic diagram of secondary drawing lower die in drawing die provided by Embodiment 2 of the present invention combination；
Fig. 7 is the structural schematic diagram of secondary drawing blank holder in drawing die provided by Embodiment 2 of the present invention combination.
Icon: drawing die of 10-；Drawing upper mold of 101-；Drawing upper die holder of 1011-；1012- mono-
Secondary drawing cavity plate；Drawing lower die of 102-；Drawing punch-pin of 1021-；Drawing blank holder of 103-；20-
Secondary drawing mold；201- secondary drawing upper mold；2011- secondary drawing upper die holder；2012- secondary drawing cavity plate；
2013- first boss face；2014- second boss face；2015- third boss face；202- secondary drawing lower die；2021- bis- times
Drawing lower die holder；2022- secondary drawing punch-pin；203- secondary drawing blank holder；The first wearing plate of 30-；40- first is led
Sliding surface；The second wearing plate of 50-；The second slide guide of 60- face；70- limit pad；80- pressure regulation pad；S1- obtains preliminary molding tablet step；
S2- obtains the step of flooring products.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment 1
According to an aspect of the present invention, as shown in Figure 1, providing drawing work, including the following steps:
It obtains preliminary molding tablet step S1: first time drawing operation being carried out to tablet to be processed with a drawing die,
Making tablet, just one-step forming obtains tentatively forming tablet, and the preliminary tablet that forms has single boss structure；
It obtains the step S2 of flooring products: the second drawing operation being carried out to preliminary molding tablet with secondary drawing mold, is made
Preliminary molding tablet obtains molding flooring products, and flooring products have three boss structure of step on floor in driver's cabin, platform
Three boss structure of stepwise includes first boss, second boss and third boss from high to low.
Drawing work according to the present invention during obtaining molding floor, uses for the drawing work
Drawing die treats drawing processing tablet and carries out first time drawing operation, and making tablet, just one-step forming obtains tentatively forming tablet,
Preliminary molding tablet has single boss structure；The second drawing operation is carried out to preliminary molding tablet using secondary drawing mold,
Making tentatively to form tablet and obtains molding flooring products, flooring products have three boss structure of step on floor in driver's cabin,
It realizes and changes the single boss structure in preliminary molding tablet for three boss structure of step in flooring products, once drawing
Prolong and reserve processing leeway in operation, and develop secondary drawing operation, carry out secondary drawing, so that corner's molding of tablet is more
It is mellow and full, solve a traditional drawing operation to problem of Cracking existing for large scale, deep-drawing tablet, thus with improving automobile
The quality of plate.
Specifically, the specific steps of first time drawing operation include:
The lower die of tablet to be processed and a drawing die is arranged in parallel, tablet to be processed is placed on and is located at primary draw
It adopts on the blank holder of a drawing die of lower mould, and the lower die of a drawing die is located at the lower section of tablet, once
The upper mold of drawing die is separated with the lower die of a drawing die；
The upper mold of drawing die and the lower die of drawing die are molded, the upper mold of a drawing die and primary
The lower die of drawing die, which is combined, acts on tablet to be processed, and making tablet, just one-step forming obtains tentatively forming tablet.
Specifically, the specific steps of the second drawing operation include:
Preliminary molding tablet is positioned in the lower die of secondary drawing mold, the preliminary tablet that forms is placed on positioned at secondary drawing
It adopts on the blank holder of secondary drawing mold of lower mould, the upper mold of secondary drawing mold and the lower die point of secondary drawing mold
From；
The lower die of the upper mold of secondary drawing mold and secondary drawing mold is molded, the upper mold of secondary drawing mold with it is secondary
The lower die of drawing die is combined to preliminary molding tablet effect, is made tentatively to form tablet and is obtained molding flooring products.
Embodiment 2
According to another aspect of the present invention, as shown in Fig. 2, Fig. 4, Fig. 5 and Fig. 7, drawing die combination, including one are provided
Secondary drawing die 10 and drawing die combination；Drawing die 10 includes that a drawing is used with 1021, drawings of punch-pin
Cavity plate 1012 and a drawing blank holder 103, secondary drawing mold 20 include secondary drawing punch-pin 2022, secondary drawing
With cavity plate 2012 and secondary drawing blank holder 203；
Drawing cavity plate 1012 includes single boss face；
Secondary drawing cavity plate 2012 include in it is step-like distribution and it is one-to-one with the boss on floor in driver's cabin
First boss face 2013, second boss face 2014 and third boss face 2015.
Drawing die combination according to the present invention is obtaining the mistake on molding floor for drawing die combination
Cheng Zhong treats drawing processing with blank holder using a drawing 1021, drawing cavity plates 1012 of punch-pin and a drawing
Tablet carries out first time drawing operation, and making tablet, just one-step forming obtains tentatively forming tablet, due to a drawing cavity plate 1012
Including single boss face, so that tentatively molding tablet has single boss structure；Use secondary drawing punch-pin 2022, secondary drawing
It adopts cavity plate 2012 and secondary drawing and second drawing operation is carried out to preliminary molding tablet with blank holder 203, make just one-step forming
Tablet obtains molding flooring products, due to secondary drawing with cavity plate 2012 include in it is step-like distribution and with driver's cabin
The one-to-one first boss face 2013 of boss, second boss face 2014 and third boss face 2015 on plate, so that floor
Product has three boss structure of step on floor in driver's cabin, realizes and changes the single boss structure in preliminary molding tablet
For three boss structure of step in flooring products, processing leeway is reserved in a drawing die 10, and develops secondary drawing
Mold 20 carries out secondary drawing, so that corner's molding of tablet is more mellow and fuller, solves a traditional drawing die 10 to big
Problem of Cracking existing for size, deep-drawing tablet, to improve the quality of automotive floor panel；
During carrying out drawing, a drawing blank holder 103 and secondary drawing blank holder 203 will be for that will expect
The side of piece is pushed down, and move tablet will not.
A kind of embodiment of drawing die group according to the present invention, as shown in FIG. 2 and 3, a drawing die 10 is also
Including drawing upper mold 101 and a drawing lower die 102；Secondary drawing mold 20 further includes secondary drawing upper mold
201 and secondary drawing lower die 202；Wherein, drawing upper mold 101 includes a drawing upper die holder 1011 and one
Secondary drawing cavity plate 1012, secondary drawing include secondary drawing upper die holder 2011 and secondary drawing cavity plate with upper mold 201
2012；
Drawing cavity plate 1012 is set to a drawing upper die holder 1011, and secondary drawing cavity plate 2012 is set to secondary
Drawing upper die holder 2011.
A kind of embodiment of drawing die combination according to the present invention, as shown in Figure 5 and 7, secondary drawing cavity plate
2012 lead is equipped with the first wearing plate 30 on leg, secondary drawing is machined with the first slide guide face 40 with the both ends of blank holder 203；
First wearing plate 30 is slidably matched with the first slide guide face 40.
Drawing die combination according to the present invention, secondary drawing cavity plate 2012 and secondary drawing blank holder 203 are to live
Follower link needs frequently to be dismounted in use process, therefore wears than more serious, and above-mentioned first wearing plate can reduce
Secondary drawing is lost with mold, improves the service life of secondary drawing mold body.
A kind of embodiment of drawing die combination according to the present invention, as shown in fig. 6, secondary drawing lower die 202 includes
Secondary drawing lower die holder 2021 and secondary drawing punch-pin 2022；
Secondary drawing is set to secondary drawing lower die holder 2021 with punch-pin 2022.
Drawing die according to the present invention combination, secondary drawing is with the edge of punch-pin 2022 and secondary drawing lower die holder
Die parting line between 2021 is the irregular curve of the edge variation of three boss in corresponding driver's cabin on floor, die parting line
Setting, can eliminate corrugated risk at floor edge；
Secondary drawing is with being provided with multiple limit pads 70 on lower die holder 2021；Multiple limit pads 70 are along secondary drawing punch-pin
The setting of 2022 peripheries；
When secondary drawing mold 20 needs pier real-time, limit pad 70 is used to bear lathe to load on secondary drawing mold 20
Pressure；Preferably, multiple limit pads 70 are uniformly arranged along secondary drawing with 2022 periphery of punch-pin, so that active force is more equal
It is even.
As shown in fig. 7, secondary drawing is with being provided with multiple pressure regulation pads 80 on blank holder 203；
Multiple pressure regulation pads 80 are arranged along the periphery of secondary drawing blank holder 203, and pressure regulation pad 80 and limit pad 70 are along mould
Tool pressing direction has the part being in contact, in order to adjust secondary drawing blank holder 203 and secondary drawing punch-pin 2022
Pressure before.
A kind of embodiment of drawing die combination according to the present invention, as shown in Fig. 6 and Fig. 7, secondary drawing punch-pin
Second wearing plate 50 is installed, the type of secondary drawing blank holder 203 is intracavitary to be machined with the second slide guide face 60 on 2022；
Second wearing plate 50 is slidably matched with the second slide guide face 60.
Drawing die combination according to the present invention, secondary drawing punch-pin 2022 and secondary drawing blank holder 203 are to live
Follower link needs frequently to be dismounted in use process, therefore wears than more serious, and above-mentioned second wearing plate can reduce
Loss, improve secondary drawing mold body service life, while also can reduce because secondary drawing mold loss caused by
Workpiece accuracy decline problem.
Drawing die combination carries out drawing operation, and detailed process is as follows:
When a drawing upper mold includes drawing upper die holder 1011 and a drawing cavity plate 1012, a drawing
When with lower die 102 including a drawing lower die holder and a drawing punch-pin 1021, the detailed process of a drawing operation
Are as follows: in carrying out a drawing process, tablet is placed on positioned at a drawing blank holder of the drawing on lower die holder
On 103, and the position of tablet is defined under the action of locating plate；By a drawing under the action of the first press machine
It is depressed with upper die holder 1011, during pushing, a drawing is combined with upper die holder 1011 with a drawing blank holder 103 will
The marginal position of tablet is fixed；By the combination of drawing cavity plate 1012 and a drawing punch-pin 1021, will expect
Specific shape at piece pressure obtains preliminary molding tablet；
When secondary drawing upper mold includes secondary drawing upper die holder 2011 and secondary drawing cavity plate 2012, secondary drawing
When lower die includes secondary drawing lower die holder 2021 and secondary drawing punch-pin 2022, the detailed process of secondary drawing operation
Are as follows: during carrying out secondary drawing, preliminary molding tablet is placed on secondary on secondary drawing lower die holder 2021
Drawing is defined the position of preliminary molding tablet on blank holder 203, and under the action of locating plate；In the second punching press
Secondary drawing upper die holder 2011 is depressed under the action of machine, during pushing, secondary drawing with upper die holder 2011 with it is secondary
Drawing is combined with blank holder 203 and the marginal position of tablet is fixed；Pass through secondary drawing cavity plate 2012 and secondary drawing
With the combination of punch-pin 2022, specific shape at tablet pressure will be tentatively formed, flooring products are obtained.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail invention referring to foregoing embodiments, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or some or all of the technical features is carried out
Equivalent replacement；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution various embodiments of the present invention technical side
The range of case.
Claims (10)
1. drawing work, which is characterized in that including the following steps:
First time drawing operation is carried out to tablet to be processed with a drawing die, making tablet, just one-step forming obtains preliminary molding mass
Piece, the preliminary molding tablet have single boss structure；
The second drawing operation is carried out to the preliminary molding tablet with secondary drawing mold, obtains into the preliminary molding tablet
The flooring products of type, the flooring products have three boss structure of step on floor in driver's cabin, three boss of step
Structure includes first boss, second boss and third boss from high to low.
2. drawing work according to claim 1, which is characterized in that the first time specific steps of drawing operation include:
The lower die of tablet to be processed and a drawing die is arranged in parallel, and the lower die of a drawing die is located under tablet
Side, the upper mold of a drawing die are separated with the lower die of a drawing die；
The upper mold of drawing die and the lower die of a drawing die are molded, the upper mold of a drawing die and a drawing
The lower die of mold, which is combined, acts on tablet to be processed, and making tablet, just one-step forming obtains the preliminary molding tablet.
3. drawing work according to claim 2, which is characterized in that the drawing work further include: when tablet to be processed
When being arranged in parallel with the lower die of a drawing die, tablet to be processed is placed on positioned at the primary of drawing lower mould
On the blank holder of drawing die.
4. drawing work according to claim 1, which is characterized in that the specific steps of the second drawing operation include:
The preliminary molding tablet is positioned in the lower die of secondary drawing mold, the upper mold and the secondary drawing of drawing of secondary drawing mold
Prolong the lower die separation of mold；
The upper mold of secondary drawing mold and the lower die of secondary drawing mold are molded, the upper mold and secondary drawing of secondary drawing mold
The lower die of mold, which is combined, acts on the preliminary molding tablet, and the preliminary molding tablet is made to obtain the molding floor system
Product.
5. drawing work according to claim 4, which is characterized in that the drawing work further includes when the just one-step forming
When tablet is positioned in the lower die of secondary drawing mold, preliminary molding tablet is placed on positioned at secondary drawing lower mould
On the blank holder of secondary drawing mold.
6. drawing die combines, using the described in any item drawing works of claim 1-5, which is characterized in that including once drawing
Prolong mold and drawing die combination；Drawing die include a drawing punch-pin, a drawing cavity plate and
Drawing blank holder, the secondary drawing mold include secondary drawing punch-pin, secondary drawing cavity plate and secondary drawing
Adopt blank holder；
Drawing cavity plate includes single boss face；
The secondary drawing cavity plate include in it is step-like distribution and with the boss one-to-one first on floor in driver's cabin
Boss face, second boss face and third boss face.
7. drawing die combination according to claim 6, which is characterized in that a drawing die further includes once drawing
Adopt upper mold and a drawing lower die；The secondary drawing mold further includes that secondary drawing upper mold and secondary drawing are used
Lower die；Wherein, a drawing with upper mold include a drawing upper die holder and a drawing cavity plate, described two
Secondary drawing includes secondary drawing upper die holder and the secondary drawing cavity plate with upper mold；
Drawing cavity plate is set to a drawing upper die holder, and secondary drawing cavity plate is set to described secondary
Drawing upper die holder.
8. drawing die combination according to claim 7, which is characterized in that leading for the secondary drawing cavity plate is pacified on leg
Equipped with the first wearing plate, the both ends of secondary drawing blank holder are machined with the first slide guide face；
First wearing plate is slidably matched with first slide guide face.
9. drawing die combination according to claim 7, which is characterized in that the secondary drawing lower die includes secondary drawing
Adopt lower die holder and the secondary drawing punch-pin；
The secondary drawing is set to the secondary drawing lower die holder with punch-pin.
10. drawing die combination according to claim 9, which is characterized in that the secondary drawing is equipped with on punch-pin
Second wearing plate, the type of the secondary drawing blank holder is intracavitary to be machined with the second slide guide face；
Second wearing plate is slidably matched with second slide guide face.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060495.XA CN109513792A (en) | 2019-01-22 | 2019-01-22 | Drawing work and drawing die combination |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060495.XA CN109513792A (en) | 2019-01-22 | 2019-01-22 | Drawing work and drawing die combination |
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| CN109513792A true CN109513792A (en) | 2019-03-26 |
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| CN202803945U (en) * | 2012-09-29 | 2013-03-20 | 北汽福田汽车股份有限公司 | Drawing biconvex die forming device |
| CN104014649A (en) * | 2013-02-28 | 2014-09-03 | 上海新朋联众汽车零部件有限公司 | Secondary drawing method for front automobile floor and mold assembly thereof |
| CN104874701A (en) * | 2015-06-12 | 2015-09-02 | 安徽江淮汽车股份有限公司 | Floor in cab as well as drawing process and die for floor |
| CN205309121U (en) * | 2016-01-28 | 2016-06-15 | 安徽江淮汽车股份有限公司 | Drawing die of back ground prelaminar part reinforcing plate |
| CN207357938U (en) * | 2017-09-30 | 2018-05-15 | 浙江舜仕汽车技术有限公司 | The molding die of sheet metal component with boss |
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